A specimen of Platydemus manokwari collected in a greenhouse at Caen in Normandy. You can see its white pharynx protruding from the underside, ingesting soft tissues of a specimen of the Mediterranean snail. Pierre Gros/PeerJ hide caption toggle caption Pierre Gros/PeerJ The Salt Save The Escargot! Snail-Devouring Predator Rears Its Head In France March 11, 2014 The New Guinea flatworm is a vicious little thing with an appetite for snails. Its discovery in Normandy has raised concerns about the fate of Europe's snails — and France's famed mollusk appetizer.